Guild Wars has to limit 5 skills because it doesn't have the balance mechanics that WoW does. Guild Wars is an OK game, but it certainly doesn't have WoW beat in any areas except time to level. Guild Wars has about as much endgame as Diablo 2.

5 skills? try 8. and there is a different type of gameplay becasue you have to plan for the battle and understand your role in the group instead of bring all your spells and just blast things.